US Patent 11756482 Light emitting display apparatus and driving method thereof

A light emitting display apparatus and a driving method thereof. The light emitting display apparatus includes a display panel configured to display an image, a timing controller including an on bias stress (OBS) voltage calculator configured to calculate an optimal OBS voltage value on the basis of a refresh rate of the display panel and a data signal which is to be supplied to the display panel, and a power supply configured to generate an OBS voltage which is to be supplied to the display panel, on the basis of the optimal OBS voltage value.